form_field_validation(3curses)


form_field_validation: set_field_type, field_type, field_arg -- forms field data type validation

Synopsis

   cc [flag . . .] file -lform -lcurses [library . . .] 
   

#include <form.h>

int set_field_type(FIELD *field, FIELDTYPE *type, . . .); FIELDTYPE *field_type(FIELD *field); char *field_arg(FIELD *field);

Description

set_field_type associates the specified field type with field. Certain field types take additional arguments. TYPE_ALNUM, for instance, requires one, the minimum width specification for the field. The other predefined field types are: TYPE_ALPHA, TYPE_ENUM, TYPE_INTEGER, TYPE_NUMERIC, TYPE_REGEXP.

field_type returns a pointer to the field type of field. NULL is returned if no field type is assigned.

field_arg returns a pointer to the field arguments associated with the field type of field. NULL is returned if no field type is assigned.

<Return> value

field_type and field_arg return NULL on error.

set_field_type returns one of the following:

E_OK - The function returned successfully.
E_SYSTEM_ERROR - System error.

 
 E_OK             -   The function returned successfully. 
 E_SYSTEM_ERROR   -   System error. 

Notices

The header file form.h automatically includes the header files eti.h and curses.h.

References

curses(3curses), forms(3curses)
30 January 1998
© 1998 The Santa Cruz Operation, Inc. All rights reserved.